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-rw-r--r--build/build-clang/llvmorg-17-init-6909-gd644ab022a7b.patch279
1 files changed, 279 insertions, 0 deletions
diff --git a/build/build-clang/llvmorg-17-init-6909-gd644ab022a7b.patch b/build/build-clang/llvmorg-17-init-6909-gd644ab022a7b.patch
new file mode 100644
index 0000000000..ed7dcc8b2e
--- /dev/null
+++ b/build/build-clang/llvmorg-17-init-6909-gd644ab022a7b.patch
@@ -0,0 +1,279 @@
+From d644ab022a7be985255db29fd466798e9b138bee Mon Sep 17 00:00:00 2001
+From: Thurston Dang <thurston@google.com>
+Date: Tue, 4 Apr 2023 00:42:37 +0000
+Subject: [PATCH] Update __sanitizer_get_allocated_begin to return const void*
+
+D147005 introduced __sanitizer_get_allocated_begin, with a return
+value of void*. This involved a few naughty casts that dropped the
+const. This patch adds back the const qualifier.
+
+Differential Revision: https://reviews.llvm.org/D147489
+---
+ compiler-rt/include/sanitizer/allocator_interface.h | 2 +-
+ compiler-rt/lib/asan/asan_allocator.cpp | 6 +++---
+ compiler-rt/lib/dfsan/dfsan_allocator.cpp | 6 +++---
+ compiler-rt/lib/hwasan/hwasan_allocator.cpp | 6 +++---
+ compiler-rt/lib/lsan/lsan_allocator.cpp | 6 +++---
+ compiler-rt/lib/memprof/memprof_allocator.cpp | 6 +++---
+ compiler-rt/lib/msan/msan_allocator.cpp | 6 +++---
+ .../lib/sanitizer_common/sanitizer_allocator_interface.h | 2 +-
+ compiler-rt/lib/tsan/rtl/tsan_mman.cpp | 6 +++---
+ .../test/sanitizer_common/TestCases/get_allocated_begin.cpp | 2 +-
+ 10 files changed, 24 insertions(+), 24 deletions(-)
+
+diff --git a/compiler-rt/include/sanitizer/allocator_interface.h b/compiler-rt/include/sanitizer/allocator_interface.h
+index d846f3f330741..d0cfce79c1aef 100644
+--- a/compiler-rt/include/sanitizer/allocator_interface.h
++++ b/compiler-rt/include/sanitizer/allocator_interface.h
+@@ -28,7 +28,7 @@ extern "C" {
+
+ /* If a pointer lies within an allocation, it will return the start address
+ of the allocation. Otherwise, it returns nullptr. */
+- void *__sanitizer_get_allocated_begin(const void *p);
++ const void *__sanitizer_get_allocated_begin(const void *p);
+
+ /* Returns the number of bytes reserved for the pointer p.
+ Requires (get_ownership(p) == true) or (p == 0). */
+diff --git a/compiler-rt/lib/asan/asan_allocator.cpp b/compiler-rt/lib/asan/asan_allocator.cpp
+index 4b65b44a88f91..708d975a93dcf 100644
+--- a/compiler-rt/lib/asan/asan_allocator.cpp
++++ b/compiler-rt/lib/asan/asan_allocator.cpp
+@@ -1164,7 +1164,7 @@ IgnoreObjectResult IgnoreObjectLocked(const void *p) {
+ // ---------------------- Interface ---------------- {{{1
+ using namespace __asan;
+
+-void *AllocationBegin(const void *p) {
++const void *AllocationBegin(const void *p) {
+ AsanChunk *m = __asan::instance.GetAsanChunkByAddr((uptr)p);
+ if (!m)
+ return nullptr;
+@@ -1172,7 +1172,7 @@ void *AllocationBegin(const void *p) {
+ return nullptr;
+ if (m->UsedSize() == 0)
+ return nullptr;
+- return (void *)(m->Beg());
++ return (const void *)(m->Beg());
+ }
+
+ // ASan allocator doesn't reserve extra bytes, so normally we would
+@@ -1198,7 +1198,7 @@ uptr __sanitizer_get_allocated_size(const void *p) {
+ return allocated_size;
+ }
+
+-void *__sanitizer_get_allocated_begin(const void *p) {
++const void *__sanitizer_get_allocated_begin(const void *p) {
+ return AllocationBegin(p);
+ }
+
+diff --git a/compiler-rt/lib/dfsan/dfsan_allocator.cpp b/compiler-rt/lib/dfsan/dfsan_allocator.cpp
+index 7ae6024fb2c9d..36346d163d982 100644
+--- a/compiler-rt/lib/dfsan/dfsan_allocator.cpp
++++ b/compiler-rt/lib/dfsan/dfsan_allocator.cpp
+@@ -174,7 +174,7 @@ void *DFsanCalloc(uptr nmemb, uptr size) {
+ return DFsanAllocate(nmemb * size, sizeof(u64), true /*zeroise*/);
+ }
+
+-void *AllocationBegin(const void *p) {
++const void *AllocationBegin(const void *p) {
+ if (!p)
+ return nullptr;
+ void *beg = allocator.GetBlockBegin(p);
+@@ -185,7 +185,7 @@ void *AllocationBegin(const void *p) {
+ return nullptr;
+ if (b->requested_size == 0)
+ return nullptr;
+- return (void *)beg;
++ return (const void *)beg;
+ }
+
+ static uptr AllocationSize(const void *p) {
+@@ -308,7 +308,7 @@ uptr __sanitizer_get_estimated_allocated_size(uptr size) { return size; }
+
+ int __sanitizer_get_ownership(const void *p) { return AllocationSize(p) != 0; }
+
+-void *__sanitizer_get_allocated_begin(const void *p) {
++const void *__sanitizer_get_allocated_begin(const void *p) {
+ return AllocationBegin(p);
+ }
+
+diff --git a/compiler-rt/lib/hwasan/hwasan_allocator.cpp b/compiler-rt/lib/hwasan/hwasan_allocator.cpp
+index 8ccdeb23fa995..994a580dc95e0 100644
+--- a/compiler-rt/lib/hwasan/hwasan_allocator.cpp
++++ b/compiler-rt/lib/hwasan/hwasan_allocator.cpp
+@@ -397,7 +397,7 @@ HwasanChunkView FindHeapChunkByAddress(uptr address) {
+ return HwasanChunkView(reinterpret_cast<uptr>(block), metadata);
+ }
+
+-void *AllocationBegin(const void *p) {
++const void *AllocationBegin(const void *p) {
+ const void *untagged_ptr = UntagPtr(p);
+ if (!untagged_ptr)
+ return nullptr;
+@@ -411,7 +411,7 @@ void *AllocationBegin(const void *p) {
+ return nullptr;
+
+ tag_t tag = GetTagFromPointer((uptr)p);
+- return (void *)AddTagToPointer((uptr)beg, tag);
++ return (const void *)AddTagToPointer((uptr)beg, tag);
+ }
+
+ static uptr AllocationSize(const void *tagged_ptr) {
+@@ -658,7 +658,7 @@ uptr __sanitizer_get_estimated_allocated_size(uptr size) { return size; }
+
+ int __sanitizer_get_ownership(const void *p) { return AllocationSize(p) != 0; }
+
+-void *__sanitizer_get_allocated_begin(const void *p) {
++const void *__sanitizer_get_allocated_begin(const void *p) {
+ return AllocationBegin(p);
+ }
+
+diff --git a/compiler-rt/lib/lsan/lsan_allocator.cpp b/compiler-rt/lib/lsan/lsan_allocator.cpp
+index b0a54d7cd9bc5..471b134a26471 100644
+--- a/compiler-rt/lib/lsan/lsan_allocator.cpp
++++ b/compiler-rt/lib/lsan/lsan_allocator.cpp
+@@ -145,7 +145,7 @@ void GetAllocatorCacheRange(uptr *begin, uptr *end) {
+ *end = *begin + sizeof(AllocatorCache);
+ }
+
+-void *GetMallocBegin(const void *p) {
++const void *GetMallocBegin(const void *p) {
+ if (!p)
+ return nullptr;
+ void *beg = allocator.GetBlockBegin(p);
+@@ -158,7 +158,7 @@ void *GetMallocBegin(const void *p) {
+ return nullptr;
+ if (m->requested_size == 0)
+ return nullptr;
+- return (void *)beg;
++ return (const void *)beg;
+ }
+
+ uptr GetMallocUsableSize(const void *p) {
+@@ -380,7 +380,7 @@ SANITIZER_INTERFACE_ATTRIBUTE
+ int __sanitizer_get_ownership(const void *p) { return Metadata(p) != nullptr; }
+
+ SANITIZER_INTERFACE_ATTRIBUTE
+-void * __sanitizer_get_allocated_begin(const void *p) {
++const void * __sanitizer_get_allocated_begin(const void *p) {
+ return GetMallocBegin(p);
+ }
+
+diff --git a/compiler-rt/lib/memprof/memprof_allocator.cpp b/compiler-rt/lib/memprof/memprof_allocator.cpp
+index 80a87d49dfc6e..49c0aad39cfbd 100644
+--- a/compiler-rt/lib/memprof/memprof_allocator.cpp
++++ b/compiler-rt/lib/memprof/memprof_allocator.cpp
+@@ -681,7 +681,7 @@ int memprof_posix_memalign(void **memptr, uptr alignment, uptr size,
+ return 0;
+ }
+
+-void *memprof_malloc_begin(const void *p) {
++const void *memprof_malloc_begin(const void *p) {
+ u64 user_requested_size;
+ MemprofChunk *m =
+ instance.GetMemprofChunkByAddr((uptr)p, user_requested_size);
+@@ -690,7 +690,7 @@ void *memprof_malloc_begin(const void *p) {
+ if (user_requested_size == 0)
+ return nullptr;
+
+- return (void *)m->Beg();
++ return (const void *)m->Beg();
+ }
+
+ uptr memprof_malloc_usable_size(const void *ptr, uptr pc, uptr bp) {
+@@ -711,7 +711,7 @@ int __sanitizer_get_ownership(const void *p) {
+ return memprof_malloc_usable_size(p, 0, 0) != 0;
+ }
+
+-void *__sanitizer_get_allocated_begin(const void *p) {
++const void *__sanitizer_get_allocated_begin(const void *p) {
+ return memprof_malloc_begin(p);
+ }
+
+diff --git a/compiler-rt/lib/msan/msan_allocator.cpp b/compiler-rt/lib/msan/msan_allocator.cpp
+index 08ec3314b26e6..1013303af6795 100644
+--- a/compiler-rt/lib/msan/msan_allocator.cpp
++++ b/compiler-rt/lib/msan/msan_allocator.cpp
+@@ -260,7 +260,7 @@ static void *MsanCalloc(StackTrace *stack, uptr nmemb, uptr size) {
+ return MsanAllocate(stack, nmemb * size, sizeof(u64), true);
+ }
+
+-void *AllocationBegin(const void *p) {
++const void *AllocationBegin(const void *p) {
+ if (!p)
+ return nullptr;
+ void *beg = allocator.GetBlockBegin(p);
+@@ -272,7 +272,7 @@ void *AllocationBegin(const void *p) {
+ if (b->requested_size == 0)
+ return nullptr;
+
+- return (void *)beg;
++ return (const void *)beg;
+ }
+
+ static uptr AllocationSize(const void *p) {
+@@ -388,7 +388,7 @@ uptr __sanitizer_get_estimated_allocated_size(uptr size) { return size; }
+
+ int __sanitizer_get_ownership(const void *p) { return AllocationSize(p) != 0; }
+
+-void *__sanitizer_get_allocated_begin(const void *p) {
++const void *__sanitizer_get_allocated_begin(const void *p) {
+ return AllocationBegin(p);
+ }
+
+diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_allocator_interface.h b/compiler-rt/lib/sanitizer_common/sanitizer_allocator_interface.h
+index 35c7c97df3299..504109e9d3f6f 100644
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_allocator_interface.h
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_allocator_interface.h
+@@ -21,7 +21,7 @@ extern "C" {
+ SANITIZER_INTERFACE_ATTRIBUTE
+ uptr __sanitizer_get_estimated_allocated_size(uptr size);
+ SANITIZER_INTERFACE_ATTRIBUTE int __sanitizer_get_ownership(const void *p);
+-SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE void *
++SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE const void *
+ __sanitizer_get_allocated_begin(const void *p);
+ SANITIZER_INTERFACE_ATTRIBUTE uptr
+ __sanitizer_get_allocated_size(const void *p);
+diff --git a/compiler-rt/lib/tsan/rtl/tsan_mman.cpp b/compiler-rt/lib/tsan/rtl/tsan_mman.cpp
+index 3cc4d16955ede..b548265fe6833 100644
+--- a/compiler-rt/lib/tsan/rtl/tsan_mman.cpp
++++ b/compiler-rt/lib/tsan/rtl/tsan_mman.cpp
+@@ -352,7 +352,7 @@ void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz) {
+ return SetErrnoOnNull(user_alloc_internal(thr, pc, sz, PageSize));
+ }
+
+-void *user_alloc_begin(const void *p) {
++const void *user_alloc_begin(const void *p) {
+ if (p == nullptr || !IsAppMem((uptr)p))
+ return nullptr;
+ void *beg = allocator()->GetBlockBegin(p);
+@@ -363,7 +363,7 @@ void *user_alloc_begin(const void *p) {
+ if (!b)
+ return nullptr; // Not a valid pointer.
+
+- return (void *)beg;
++ return (const void *)beg;
+ }
+
+ uptr user_alloc_usable_size(const void *p) {
+@@ -444,7 +444,7 @@ int __sanitizer_get_ownership(const void *p) {
+ return allocator()->GetBlockBegin(p) != 0;
+ }
+
+-void *__sanitizer_get_allocated_begin(const void *p) {
++const void *__sanitizer_get_allocated_begin(const void *p) {
+ return user_alloc_begin(p);
+ }
+
+diff --git a/compiler-rt/test/sanitizer_common/TestCases/get_allocated_begin.cpp b/compiler-rt/test/sanitizer_common/TestCases/get_allocated_begin.cpp
+index 6892a4a7fb282..1683063baea26 100644
+--- a/compiler-rt/test/sanitizer_common/TestCases/get_allocated_begin.cpp
++++ b/compiler-rt/test/sanitizer_common/TestCases/get_allocated_begin.cpp
+@@ -23,7 +23,7 @@ int main(void) {
+
+ // Bogus value to unpoison start. Calling __sanitizer_get_allocated_begin
+ // does not unpoison it.
+- void *start = NULL;
++ const void *start = NULL;
+ for (int j = 0; j < sizes[i]; j++) {
+ printf("j: %d\n", j);
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 03:01:55 +0000